Autore dello sfondo:
David Tonucci
23 Aug 2026
Trifid Nebula
The M20 nebula, also known as the Trifid Nebula, is a bright star-forming region located about 4,000 to 5,000 light-years away in the constellation Sagittarius. It is famous for uniquely combining three types of nebulae: a pink emission nebula, a blue reflection nebula, and dark dust lanes
Dataset da cui è stata elaborata l'immagine
M20
10 credit
- Tipo di obiettivo............................................................................................................................Emission Nebula
- Fotocamera............................................................................................................................FLI ProLine PL9000
- Coordinate dell'obiettivo............................................................................................................................RA 270.675 Dec -22.9667
- Emisfero............................................................................................................................Southern
- Posizione del telescopio............................................................................................................................Chile
- Evento transitorio............................................................................................................................No
- Osservato il............................................................................................................................24 Sept 2019 - 14 Aug 2022
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 67 | 40m | 36 |
| Red | 69 | 40m | 35 |
| Green | 857 | 8h20m | 35 |
| Blue | 65 | 38m | 35 |
| Halpha | 806 | 7h50m | 35 |